This specification describes the minimum analytical capability required to detect exposure. It must not be construed as restricting in any way the chemical groups or concentrations that may constitute positive findings. Many laboratories will be able to surpass this specification, and the interpretation of whether a finding and a particular concentration would constitute a violation is governed by the relevant Rules of Racing.

Procedures should ensure that the laboratory can find prohibited substances in equine body fluids and prove their presence. Test methods must cover the chemical groups typified by the representative list. Each substance in the representative list must be detectable and identifiable at the concentration shown, if necessary after hydrolysis of metabolic conjugates. In addition, test methods must also reliably quantify threshold substances at concentrations that would be declared positive.